Sentence 1: None of the three major prescription antihistamines (Allegra, Claritin, Zyrtec) seems to be consistently more effective than the others.

Sentence 2: The prescription antihistamines all seem to be about the same in treating seasonal allergies.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: it is not possible to tell


Sentence 1: No, we're not.

Sentence 2: We're not, because I said so.
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer: it is not possible to tell


Sentence 1: yeah um that sounds good

Sentence 2: Yes, that sounds just fine. 
OPTIONS:
- yes
- it is not possible to tell
- no
Is this second sentence entailed by the first?

Answer:
yes